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616 GSR2 travis gas insert

I had a service call where the blower would ramp up and down on their own, and when you use the remote to adjust it would work great on high then stall and hum at lower settings. So did the normal checking proper voltage at the fireplace control, voltage to the motor, continuity thru the wires, ohmed out the motors, varied the speeds under loads/meter inline, everything checked out and wrote it off as a leg was being broken due to a poor connection, because everything else was testing fine and responding when I was doing the tests. Most of the issues I have like this situation are in the outer lying areas in the foothills/mountains, I understand that these gas systems have high voltage/protection from spikes in voltage fuses in such but everytime I come across a system plugged into a recepticle I always recommend a surge protector just in case deviant voltages get thru before the breaker can kick. Was just wondering if you guys recommend the same or am I being to cautious. Also they systems 616 GSR2 are awesome to work on and are super tech friendly, everything can be accessed pretty quick and not a hassle with clearance etc.. Well have a cool one.

A surge protector only really helps electronics from minor over voltage spikes coming from the power company. They will not protect(unless you get very expensive ones) from lightning strikes or Hertz variances. So if the fireplace is a old standing pilot with a typical fan installation(snap disk/rheostat) they do not need a surge protector, if its a IPI system, remote, and remote controlled fan then you would want a surge protector.